Home / 141,680.41-212,520.40-97,172.23

Finding the Fourth Proportional to 141,680.41, 212,520.40 and 97,172.23

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Solution

The fourth proportional to 141,680.41, 212,520.40 and 97,172.23 is: 145,758.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,680.41 : 212,520.40 = 97,172.23 : x
  2. Step 2: Convert to fraction form
    141,680.41/212,520.40 = 97,172.23/x
  3. Step 3: Cross multiply
    141,680.41x = 212,520.40 × 97,172.23
  4. Step 4: Simplify right side
    141,680.41x = 20,651,081,188.49
  5. Step 5: Solve for x
    x = 20,651,081,188.49/141,680.41
  6. Step 6: Final answer
    x = 145,758.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.